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Amp is the one place where we generate a per-sample vector for automation playback. Scale this by the masters' value(s) if appropriate

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Paul Davis 2017-01-21 15:02:29 +00:00
parent 2f530d4fd8
commit 94a136a6bf
1 changed files with 17 additions and 0 deletions
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17
libs/ardour/amp.cc
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@ -395,6 +395,23 @@ Amp::setup_gain_automation (framepos_t start_frame, framepos_t end_frame, framec
assert (_gain_automation_buffer); assert (_gain_automation_buffer);
_apply_gain_automation = _gain_control->list()->curve().rt_safe_get_vector ( _apply_gain_automation = _gain_control->list()->curve().rt_safe_get_vector (
start_frame, end_frame, _gain_automation_buffer, nframes); start_frame, end_frame, _gain_automation_buffer, nframes);
/* XXX the future requires a way to automate the control master
* and merge its own automation vector/curve with this one. We
* don't have a way to do that just yet, so for now, just get
* the master's current gain and scale our own automation
* vector/curve by this value.
*/
if (_gain_control->slaved()) {
const double master_gain = _gain_control->get_masters_value ();
if (master_gain != 1.0) {
for (framecnt_t n = 0; n < nframes; ++n) {
_gain_automation_buffer[n] *= master_gain;
}
}
}
if (start_frame != _current_automation_frame && _session.bounce_processing ()) { if (start_frame != _current_automation_frame && _session.bounce_processing ()) {
_current_gain = _gain_automation_buffer[0]; _current_gain = _gain_automation_buffer[0];
} }